Device for scraping float sludge in clarifying barrel

Abstract

The utility model discloses a device for scraping float sludge of a clarification barrel, which belongs to the technical field of chemical sewage treatment, solves the problem of poor effect of manually scraping the float sludge of the clarification barrel, and comprises a scraper and a guide rail, the scraper is convex, a clamp is arranged at the bottom of the guide rail, a protruding part of the scraper is clamped in the clamp, and a motor is arranged on the guide rail. The motor is connected with a first slider-crank mechanism connecting rod, the first slider-crank mechanism connecting rod is hinged to a second slider-crank mechanism connecting rod, and the second slider-crank mechanism connecting rod is hinged to the clamp. According to the utility model, the labor intensity of workers can be reduced, the floating mud on the clarifying barrel can be effectively scraped, the structure is simple, the operation is convenient, the movement is flexible, the reliability is high, and the stable operation of system indexes is ensured.

Description

Technical Field

[0001] This utility model belongs to the field of chemical wastewater treatment technology, specifically relating to a device for scraping sludge from a clarification tank. Background Technology

[0002] In the ion-exchange membrane caustic soda system, the crude brine, pumped to the gas-water mixer by a pressurized pump, is thoroughly mixed with air before entering the pressurized dissolved air tank. While passing through the Venturi mixer, ferric chloride solution is added, and after mixing, the brine enters the clarification tank. Under the action of sodium hypochlorite, bacteria, algae, and their organic matter in the brine are oxidized and decomposed into smaller molecules. Under the adsorption and co-precipitation effects of ferric chloride, most of these molecules float to the surface in the clarification tank. The floating sludge is usually removed manually using a scraper. This method not only increases the workload for workers but also results in incomplete removal, causing fluctuations in system parameters. Utility Model Content

[0003] The purpose of this invention is to provide a device for scraping sludge from a clarification tank, so as to solve the problem that manual scraping of sludge from a clarification tank is not very effective.

[0004] The technical solution of this utility model is: a device for scraping sludge from a clarification tank, including a scraper and a guide rail. The scraper is convex, and a clamp is provided at the bottom of the guide rail. The protruding part of the scraper is clamped in the clamp. A motor is provided on the guide rail. The motor is connected to a first crank-slider mechanism connecting rod. The first crank-slider mechanism connecting rod is hinged to a second crank-slider mechanism connecting rod. The second crank-slider mechanism connecting rod is hinged to the clamp.

[0005] As a further improvement of this utility model, pulleys are provided between the connection points of the guide rail and the two sides of the clamp.

[0006] As a further improvement of this utility model, a baffle with a trapezoidal cross-section is provided on one side of the scraper, the inclined surface of the baffle faces outward, and the slope of the baffle is 45°.

[0007] As a further improvement of this utility model, the scraper is made of polyethylene foam.

[0008] The beneficial effects of this utility model are as follows: This utility model is based on the design of a crank-slider mechanism. When in use, the motor is started, and the low-speed rotation of the motor causes the connecting rod of the first crank-slider mechanism to make continuous circular motion. The connecting rod of the first crank-slider mechanism drives the connecting rod of the second crank-slider mechanism, thereby causing the clamp to slide back and forth on the guide rail with the scraper, so as to achieve the purpose of scraping off the floating mud on the surface of the clarification tank.

[0009] Compared with the traditional manual method of scraping sludge, the present invention can reduce the labor intensity of workers and effectively remove the sludge on the clarification tank. The present invention has a simple structure, is easy to operate, moves flexibly, and has high reliability, ensuring the stable operation of the system indicators. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0011] In the diagram: 1-Screw; 2-Scraper; 21-Baffle; 3-Guide rail; 4-Clamp; 5-Pulley; 6-Motor; 7-Connecting rod of the first crank-slider mechanism; 8-Connecting rod of the second crank-slider mechanism. Detailed Implementation

[0012] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0013] like Figure 1 As shown, a device for scraping sludge from a clarification tank includes a scraper 2 and a guide rail 3. The scraper 2 is convex, and a clamp 4 is provided at the bottom of the guide rail 3. The protruding part of the scraper 2 is clamped in the clamp 4. A motor 6 is provided on the guide rail 3. The motor 6 is connected to a first crank-slider mechanism connecting rod 7. The first crank-slider mechanism connecting rod 7 is hinged to a second crank-slider mechanism connecting rod 8. The second crank-slider mechanism connecting rod 8 is hinged to the clamp 4.

[0014] A pulley 5 is provided between the two sides of the guide rail 3 and the clamp 4; a trapezoidal baffle 21 is provided on one side of the scraper 2, the inclined surface of the baffle 21 faces outward, and the slope of the baffle 21 is 45°; the scraper 2 is made of polyethylene foam.

[0015] In use, first fix the guide rail 3 to the clarifier tank using bolts. During installation, ensure that the bottom surface of the scraper 2 is just touching the water surface after the clamp 4 and scraper 2 are installed. The motor 6 is mounted on the guide rail 3 using anchor bolts. The first crank-slider mechanism connecting rod 7 and the second crank-slider mechanism connecting rod 8 are hinged. The second crank-slider mechanism connecting rod 8 and the clamp 4 are also hinged. The clamp 4 and the scraper 2 are connected by screws 1. The installation positions of the guide rail 3, clamp 4, motor 6, first crank-slider mechanism connecting rod 7, and second crank-slider mechanism connecting rod 8 must conform to the design of the crank-slider mechanism. Therefore, this device has the advantages of high stability, simple structure, convenient operation, flexible movement, and high reliability.

[0016] The pulley 5 functions to set the sliding mode of the clamp 4 and the guide rail 3 to a rolling mode, reducing the friction during system operation and improving the transmission efficiency of the system. A 45° baffle 21 is provided on one side of the straight portion of the convex scraper 2. On the one hand, this increases the usable area of ​​the scraper 2, improving working efficiency; on the other hand, the 45° baffle 21 effectively prevents floating mud from entering the clamp 4 and the rotating components of the crank-slider mechanism, extending the service life of the entire device. The scraper 2 is made of polyethylene foam, which has good water resistance, high toughness, is environmentally friendly and inexpensive, and has strong impact resistance.

[0017] After all components are installed, start motor 6. The low-speed rotation of motor 6 causes the first crank-slider mechanism connecting rod 7 to make continuous circular motion. The first crank-slider mechanism connecting rod 7 drives the second crank-slider mechanism connecting rod 8, which in turn causes the clamp 4 to slide back and forth on the guide rail 3 with the scraper 2, thereby achieving the purpose of scraping the floating mud on the clarification tank.

Claims

1. A device for scraping sludge from a clarification tank, characterized in that: Includes a scraper (2) and a guide rail (3). The scraper (2) is convex. The bottom of the guide rail (3) is provided with a clamp (4). The protrusion of the scraper (2) is clamped in the clamp (4). The guide rail (3) is provided with a motor (6). The motor (6) is connected to a first crank-slider mechanism connecting rod (7). The first crank-slider mechanism connecting rod (7) is hinged to a second crank-slider mechanism connecting rod (8). The second crank-slider mechanism connecting rod (8) is hinged to the clamp (4).

2. The device for scraping sludge from a clarification tank according to claim 1, characterized in that: A pulley (5) is provided between the two sides of the guide rail (3) and the clamp (4).

3. The apparatus for scraping sludge from a clarification tank according to claim 1 or 2, characterized in that: The scraper (2) has a trapezoidal baffle (21) on one side, with the inclined surface of the baffle (21) facing outward and the slope of the baffle (21) being 45°.

4. The device for scraping sludge from a clarification tank according to claim 3, characterized in that: The scraper (2) is made of polyethylene foam.

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